<?php session_start();

//Checks to see if the session has been started.
if (!isset($_SESSION['Username']))
{
        //If the session has not been previously set or overwritten, the user is set
        //with a session name of "guest" and is placed in the group "Guest"
	$_SESSION['Username']  = "Guest";
	$_SESSION['group'] = "Guest";
}
?>
